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Individual Calculations January 2009 |
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| Arvanitis, Georgios Total change: 34.95 | |   |
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| 89th Ambelokipi Open | Athens | GRE | 2008-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 1668 | 2.00 | 6 | 0.98 | 15 | 14.70 | |
|  Gitsis, Hristos | | | 2018 | GRE | 1.00 | 1 | 0.89 | 15 | 13.35 | |  Fragkos, Vasilios | | | 1978 | GRE | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Delis, G | | | 1988 | GRE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Avgoustinatos, Vassilis | | | 1906 | GRE | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Dimitriadis, Theodoros | | | 1868 | GRE | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Marianidis, Dimitrios | | | 1908 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 90th Ambelokipi Open | Ambelokipi, Athens - Greece | GRE | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1668 | 3.00 | 6 | 1.84 | 15 | 27.60 | |
| | Poteas, Ioannis | | | 2018 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Barbagiannis, Leonidas | | | 1899 | GRE | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Lakafosis, Ioannis | | | 1887 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Anastasopoulos, Spyros | | | 2018 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Mitsakos, Achilleas | | | 1823 | GRE | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Avgoustinatos, Vassilis | | | 1885 | GRE | 1.00 | 1 | 0.78 | 15 | 11.70 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 91st Ambelokipi Open | Ambelokipi, Athens | GRE | 2008-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1668 | 0.00 | 3 | -0.49 | 15 | -7.35 | |
| | Koerant, Filipos | | | 2018 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Avgoustinatos, Vassilis | | | 1885 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Paganoglou, Anastasia | | | 1953 | GRE | 0.00 | 1 | -0.16 | 15 | -2.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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